• MFG Seminar Monday 5th June

    Published: Thursday, 01 June 2017

    The next MFG seminar will take place from 2.00 on Monday 5th June in 2.33.The speaker will be Harold Simmons.I give his title and abstract below.

    The next MFG seminar will take place from 2.00 on Monday 5th June in 2.33. The speaker will be Harold Simmons. I give his title and abstract below.

     

    Andrea

     

    Semilattices and 1/2 spectral spaces

    -----------------------------------------------


    It is `well-known' that each distributive lattice is canonically
    isomorphic to the lattice of open sets of its spectrum. This is the
    result due to M.H. Stone from the 1930s.

    It is also known that  such spaces are determined by certain
    properties. These are now called spectral spaces.

    More recently these results have been generalized to distributive
    semilattices. The associated spaces are called (in parts of
    Manchester) 1/2-spectral.

    I will try to explain what is going on here, and include a more
    complicated problem which nobody seems to know how to solve.

     

    gravatar Andrea Schalk
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